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Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!